add checks or whatever

.github/workflows/checks.yml

···
+name: checks
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build lib
+      run: cargo build --verbose
+    - name: Run tests
+      run: cargo test --verbose
+
+  style:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: fmt
+        run: cargo fmt --all -- --check
+      - name: clippy
+        run: cargo clippy --all-targets --all-features -- -D warnings

Makefile

···
+.PHONY: check test fmt clippy
+all: check
+
+test:
+	cargo test
+
+fmt:
+	cargo fmt --all
+
+clippy:
+	cargo clippy --all-targets --all-features -- -D warnings
+
+check: test fmt clippy

rust-toolchain.toml

···
+[toolchain]
+components = [ "rustfmt", "clippy" ]

src/did.rs

···
     #[test]
     fn test_doc_exmples_atproto() {
         // https://atproto.com/specs/did#at-protocol-did-identifier-syntax
-        for case in vec!["did:plc:z72i7hdynmk6r22z27h6tvur", "did:web:blueskyweb.xyz"] {
+        for case in ["did:plc:z72i7hdynmk6r22z27h6tvur", "did:web:blueskyweb.xyz"] {
             assert!(parse_did(case).is_some(), "should pass: {case}")
         }
     }
···
     #[test]
     fn test_doc_exmples_lexicon() {
         // https://atproto.com/specs/did#at-protocol-did-identifier-syntax
-        for case in vec![
+        for case in [
             "did:method:val:two",
             "did:m:v",
             "did:method::::val",
···
     #[test]
     fn test_doc_exmples_invalid() {
         // https://atproto.com/specs/did#at-protocol-did-identifier-syntax
-        for case in vec![
+        for case in [
             "did:METHOD:val",
             "did:m123:val",
             "DID:method:val",